Push-To-Start Switch WP3977456

Brand: Whirlpool · Appliance: Washer · Fits: 883 models · Reference price: $28.42

WP3977456 is a Whirlpool replacement part (push-to-start switch) for washers. Our fitment data lists 883 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

Part numbers it replaces

The manufacturer lists WP3977456 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• 279827 — Drive Motor with Pulley
• 316436001 — Frigidaire Range Surface Element Control Switch 316436001
• WP3976576 — Dryer Timer
• WP694089 — Dryer Blower wheel
• WP697772 — Blower Wheel
• WP8299771 — Timer - 60 Hz.
• WPW10185976 — Timer

Replacement video

A technician's video showing how to replace part WP3977456. Plays from YouTube when you click.

Other parts for model LGR4634PT1

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• Control Panel 8545970
• Installation Instructions 8562584
• Wiring Diagram 8563884
• Dryer Guide 8533770
• Dryer Knob 8544956
• Top 8557931
• Panel 3403574
• Funnel WP8066048

Reference price and where to compare

The reference price on file for this part is $28.42. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WP3977456 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool